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の歌声

…'s singing voice

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phrase Rare #34,440
…'s singing voice の marks possession, so this phrase usually follows the person or thing whose singing voice is meant.
JA: 彼の歌声はとてもきれいです。
EN: His singing voice is very beautiful.

トムの歌声聞いた？

Did you hear Tom sing?

彼女の歌声が聞こえてきた。

I heard her singing.

誰の歌声？

Whose singing voice is that?

— 紅夢 (1991)

毎朝彼女の歌声が聞こえてくる。

I hear her singing every morning.